DE3061761D1 - Improvements in or relating to secondary surveillance radar - Google Patents

Improvements in or relating to secondary surveillance radar

Info

Publication number
DE3061761D1
DE3061761D1 DE8080301712T DE3061761T DE3061761D1 DE 3061761 D1 DE3061761 D1 DE 3061761D1 DE 8080301712 T DE8080301712 T DE 8080301712T DE 3061761 T DE3061761 T DE 3061761T DE 3061761 D1 DE3061761 D1 DE 3061761D1
Authority
DE
Germany
Prior art keywords
relating
surveillance radar
secondary surveillance
radar
surveillance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8080301712T
Other languages
German (de)
Inventor
Henry William Cole
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10505641&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3061761(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Marconi Co Ltd filed Critical Marconi Co Ltd
Application granted granted Critical
Publication of DE3061761D1 publication Critical patent/DE3061761D1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/762—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with special measures concerning the radiation pattern, e.g. S.L.S.

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE8080301712T 1979-06-05 1980-05-23 Improvements in or relating to secondary surveillance radar Expired DE3061761D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7919502A GB2050744B (en) 1979-06-05 1979-06-05 Secondary surveillance radar

Publications (1)

Publication Number Publication Date
DE3061761D1 true DE3061761D1 (en) 1983-03-03

Family

ID=10505641

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080301712T Expired DE3061761D1 (en) 1979-06-05 1980-05-23 Improvements in or relating to secondary surveillance radar

Country Status (6)

Country Link
US (1) US4316190A (en)
EP (1) EP0020104B1 (en)
AU (1) AU540158B2 (en)
CA (1) CA1138077A (en)
DE (1) DE3061761D1 (en)
GB (1) GB2050744B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408205A (en) * 1981-06-25 1983-10-04 International Telephone And Telegraph Corporation Multiple beam antenna feed arrangement for generating an arbitrary number of independent steerable nulls
IT1171575B (en) * 1981-10-06 1987-06-10 Selenia Ind Elettroniche IMPROVEMENT IN RADAR SYSTEMS OF THE TYPE A RESPONSE IN PARTICULAR OF THE SSR TYPE
DE3216708A1 (en) * 1982-05-05 1984-02-09 ANT Nachrichtentechnik GmbH, 7150 Backnang METHOD FOR OBTAINING ANTENNA SIGNAL SIGNALS
USH2033H1 (en) * 1984-03-01 2002-07-02 The United States Of America As Represented By The Secretary Of The Air Force Method and means for providing enhanced main beam nulling in antijamming antenna
US4689623A (en) * 1986-03-07 1987-08-25 Isc Cardion Electronics Corporation Monopulse processing systems
GB2194407B (en) * 1986-08-27 1990-05-30 Marconi Co Ltd Antenna pattern monitor
DE10254971A1 (en) * 2002-11-16 2004-06-03 Bundesrepublik Deutschland, vertreten durch das Bundesministerium der Verteidigung, dieses vertreten durch das Bundesamt für Wehrtechnik und Beschaffung System determining range and cover of identification friend or foe transponder installation of aircraft with rotary transmission aerial, fixed transceiver broad beam aerial
GB2412027B (en) * 2004-03-08 2007-04-11 Raytheon Systems Ltd Secondary radar message decoding
US7576693B2 (en) * 2006-03-24 2009-08-18 Free Alliance Sdn Bhd Position determination by directional broadcast

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE622184A (en) * 1961-09-06
DE1273619B (en) * 1966-05-28 1968-07-25 Telefunken Patent Antenna system for a secondary radar system
DE1803390B2 (en) * 1968-10-16 1972-02-24 Siemens AG, 1000 Berlin u. 8000 München SECONDARY RADAR UNIT WITH SUM DIFFERENCE DIRECTIONAL ANTENNA FOR SUPPRESSING ANSWERS TO SECONDARY SIGNALS
GB1239866A (en) * 1969-03-04 1971-07-21 Cossor Ltd A C Secondary radar system
US4137531A (en) * 1976-05-13 1979-01-30 Plessey Handel Und Investments Ag Radar selective interrogation system
US4100544A (en) * 1977-07-25 1978-07-11 General Dynamics Corporation Beacon system employing ramped gain receiver

Also Published As

Publication number Publication date
EP0020104B1 (en) 1983-01-26
GB2050744A (en) 1981-01-07
GB2050744B (en) 1983-04-20
EP0020104A1 (en) 1980-12-10
AU5903980A (en) 1980-12-11
US4316190A (en) 1982-02-16
AU540158B2 (en) 1984-11-01
CA1138077A (en) 1982-12-21

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Legal Events

Date Code Title Description
8331 Complete revocation